| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [noun prp] could [not/n't] [verb] | 15 |
|
| 2 | of [noun prp] could [not/n't] [vb infin] | 15 |
|
| 3 | of [noun prp] could not [verb] | 13 |
|
| 4 | of [noun prp] could [not/n't] have | 5 |
|
| 5 | of [noun prp] could [not/n't] have | 5 |
|
